54161603 has 2 divisors, whose sum is σ = 54161604. Its totient is φ = 54161602.

The previous prime is 54161593. The next prime is 54161633. The reversal of 54161603 is 30616145.

54161603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54161603 - 2⁶ = 54161539 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54161633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27080801 + 27080802.

It is an arithmetic number, because the mean of its divisors is an integer number (27080802).

Almost surely, 2^54161603 is an apocalyptic number.

54161603 is a deficient number, since it is larger than the sum of its proper divisors (1).

54161603 is an equidigital number, since it uses as much as digits as its factorization.

54161603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 54161603 is about 7359.4567054912. The cubic root of 54161603 is about 378.3529895062.

Adding to 54161603 its reverse (30616145), we get a palindrome (84777748).

The spelling of 54161603 in words is "fifty-four million, one hundred sixty-one thousand, six hundred three".